1.         Working spectral range:  190nm-900nm

2.         Wavelength accuracy:    £ ±0.5nm

3.         Wavelength repeatability: £ 0.3nm (single direction)

4.         Spectrum bandwidth: 0.2nm, 0.4nm, 0.7nm, 1.4nm, 2.4nm, 5.0nm

5.         Resolution:   <40%

6.         Base line stability:  ±0.004Abs/30min

7.         Characteristic concentration of copper: £ 0.04mg/ml/1%

8.         Detection limit of copper:  £0.008mg/ml

9.         Background calibration ability:  Greater than 30 times.